JP2630896B2 - Operating device for car door lock - Google Patents

Abstract

PURPOSE:To improve safety by bringing a door into a state that it is impossible to open the door during running of a vehicle and to improve operability of opening of a door during the stop of a vehicle. CONSTITUTION:When, in a case of a locking unlocking control means 18 being brought into an unlocking state, the running state of a vehicle is detected by a car speed sensor 10, operation of door opening operation means 3 and 6 is rendered ineffective in a state that the locking unlocking control means 18 is held in a locking state, and opening of a door A is made impossible to make. Further, when an automobile is stopped and it is detected by the car speed sensor 10 that the automobile is in a stop state, operation of the door opening operation means 3 and 6 is rendered effective in a state that the locking unlocking control means 18 is in an unlocking state, and the door A can be opened.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an operating device for a door lock for a motor vehicle having a locking / unlocking control means for validating or invalidating the operation of a door opening operation means.

[0002]

2. Description of the Related Art In a conventional door lock operating device, a rod is connected to a door lock which can be disengaged from a striker, a door handle for opening the door lock, and a locking / unlocking knob for controlling the door opening operation. At the same time, an electric actuator operable to a locking / unlocking position by locking or unlocking an operation switch is connected to a locking / unlocking mechanism of a door lock, and the door lock is switched to a locked state or an unlocked state. ing. Also, in order to enhance the safety of the vehicle while the vehicle is running, when the speed sensor that detects the running state of the vehicle detects that the vehicle is running, the actuator automatically operates to lock the door lock and open the door due to erroneous operation. The door operation is prevented.

[0003]

However, in the conventional door lock operating device as described above, when the door lock is unlocked, the actuator operates every time the speed sensor detects that the vehicle is running. When the vehicle is stopped after driving the vehicle, the door lock is kept in the locked state. In each case, the unlocking / unlocking knob must be unlocked, which is troublesome. The present invention has been made in consideration of the above-described problems of the related art, and has been made in consideration of the above-described problems, and has been made in consideration of the above-described problems, and has been made in view of the above circumstances. It is intended to provide a device.

[0004]

In order to achieve the above object, an apparatus according to the present invention comprises a door lock having a meshing mechanism capable of engaging and disengaging a striker; a driving means for releasing the meshing mechanism of the door lock; A door opening operation means for operating the means, a locking / unlocking operation means capable of a locking operation or an unlocking operation, and a locking storage for storing the locking operation of the locking / unlocking operation means to invalidate the operation of the door opening operation means. Locking / unlocking control means capable of storing the state and the unlocking operation of the locking / unlocking operation means, enabling the operation of the door opening / closing operation means and enabling the unlocking operation of the driving means. When the locking / unlocking control means stores the unlocked state, the vehicle speed sensor for detecting the running state of the vehicle detects that the vehicle is running. Disable operations And the vehicle speed sensor detects a stop of the vehicle, is characterized by comprising a control circuit to enable operation of the door-open operating means.

[0005]

When the locking / unlocking control means is in the unlocked state by the unlocking operation of the locking / unlocking operation means, the driving means is operated by the operation of the door opening / closing operation means to release the engagement of the door lock so that the door is unlocked. Can be opened. If the locking / unlocking control means is in the locked state by the operation of the locking / unlocking operation means, the operation of the door opening operation means is invalidated and the door cannot be opened. When the locking / unlocking control means is in the unlocked state and the vehicle speed sensor detects the running state of the vehicle, the operation of the door opening / closing operation means is invalidated while the locking / unlocking control means is kept in the unlocked state. To disable the opening of the door. Further, when the vehicle stops and the vehicle speed sensor detects the stop state of the vehicle, the operation of the door opening operation means becomes effective and the door can be opened while the locking / unlocking control means is in the unlocked state.

[0006]

An embodiment of the present invention will be described below with reference to the accompanying drawings. (A) is a door whose front end is pivotally attached to the body of an automobile by a door hinge (not shown) so that it can be opened and closed.
A door lock fixed to the rear end of the door (A) has a latch inside the box-shaped body main body (1a) that can be engaged with and disengaged from a striker (not shown) fixed to the vehicle body side. An engagement mechanism consisting of a possible locking plate is accommodated. The release end (1b) of the locking plate, which forms a part of the engagement mechanism, is formed by a slit formed in the body (1a).
(1c) is slidably inserted and protrudes so as to be able to come into contact with a release lever (2a) of an actuator (2) serving as a driving means integrally fixed to the body (1a). The actuator (2) includes a motor and a speed reduction mechanism. The rotation of the motor is reduced and the release lever (2a) is moved in the direction indicated by the arrow in FIG. 6 to move the locking plate in the release direction. Thus, the latch can be disengaged from the striker to open the door.

(3) shown in FIGS. 3 and 4 is an outside handle serving as a door opening operation means provided on the outer panel (A1) of the door (A). It is movably pivoted and has an end (3a) with a detection lever of an outside switch (door opening switch) (5) for detecting that the outside handle (3) is turned in the direction of the arrow. (5a). (6) is the door (A)
An inside handle, which is a door opening operation means provided on a panel (A2) on the inside of the vehicle, is pivotally connected to the panel (A2) by a predetermined amount so as to be rotatable.
Inside switch shown in Fig. 1 for detecting the operation of (6)
(Open door switch) (7).

(8) Reference numeral 8 denotes a locking / unlocking operation switch (locking / unlocking operation means) provided inside the vehicle of the door (A), which can perform a locking operation and an unlocking operation by a touch operation. When the lock switch (8a) of the operation switch (8) is turned on, the lock signal is input to the input port (14a) of the main control unit (CPU) (14), and the unlock switch (8b) is operated by the unlock operation. Is turned on, the unlock signal is sent to the main control unit (14).
Is input to the input port (14b), and a diode that emits an identification color according to the operation by a locking or unlocking operation is incorporated.

The main control unit (14) includes a locking / unlocking operation switch.
When the lock switch (8a) of (8) is turned on, the operation is stored and the locked state is stored.
When the unlock switch (8b) is turned on, a lock / unlock storage circuit (lock / unlock control means) (18) for resetting the locked state and storing the unlocked state is provided.

A door switch (9) shown in FIG. 1 detects the open / closed state of the door and turns on when the door is opened, and (10) detects the running state of the automobile and detects the running state. (11) is a G sensor that detects the inertial force acting on the car due to collision or the like, (12)
Is an ignition switch for detecting the insertion state of the key plate into the key cylinder for starting the engine. Each terminal is an input port of the main control unit (14) (CPU) of the control circuit (B) installed in each door. Are connected so as to input signals corresponding to the respective states. (13) is a motor of the actuator (2) connected to the load control unit (17) composed of a relay or the like. A high-level signal is output from the output ports (14c) (14d) of the main control unit (14). The output causes the load controller (17) to turn on, and the power supply (1
Power is supplied from 5) and the actuator rotates.
The release lever (2a) of (2) is turned in the direction of the arrow. (16)
Is a voltage converter for supplying power of a predetermined voltage to the main controller (14).

When the lock / unlock storage circuit (18) of the main control unit (14) stores the unlocked state, the outside handle
When the outside switch (5) or the inside switch (7) is turned on by operating (3) or the inside handle (6), the output ports (14c) (14d) of the main control unit (14) are turned on.
A high-level output signal is output from the load control unit (17).
Is turned on, power can be supplied to the motor (13) of the actuator (2), and the motor (13) is rotated to operate the locking plate of the door lock (2) in the release direction, and the door ( A) The door opening operation is controlled to be possible, and
When the locked state is stored, the outside handle
(3) Even if the inside handle (6) is operated and the outside switch (5) or the inside switch (7) is turned on, the power supply to the motor (13) of the actuator (2) is disabled. The operation of opening the door (A) is invalidated. The door switch (9) detects the open / closed state of the door (A), notifies the open / closed state, and detects the open state.
When an ON signal is input to the input port (14e) of the main control unit (14), power supply to the actuator (2) is stopped. That is, the actuator (2) is operated by opening the door.
After the door (A) is opened by driving the actuator (2),
The power supply to the latch is stopped, the release lever (2a) is returned to the neutral position, the locking plate is returned to a position where it can be engaged with the latch, and the system waits for the next door closing operation.

The G sensor (11) is turned on when a large impact acts on the vehicle due to a collision or the like, and forcibly activates the lock / unlock storage circuit (18) of the main control unit (14) which stores the locked state. By operating the outside handle (3) or the inside handle (6), the door is controlled so that the door can be opened immediately.

When the vehicle speed sensor (10) detects the running state of the vehicle and turns on, the input port (14) of the main control unit (14) is turned on.
A driving signal is input to f) and the ON operation of the outside switch (5) and the inside switch (7) is always invalidated regardless of the state of the locking / unlocking memory circuit (18), and the door (A) is opened. Is controlled by the main control unit (14) so as not to be performed. That is, when the lock / unlock storage circuit (18) stores the unlocked state, the outside handle (3) and the inside handle (6) can be operated and the door can be operated when the vehicle is stopped.
(A) can be opened, but when the vehicle runs, the operation of the outside handle (3) and the inside handle (6) is disabled, and control is performed so that the door opening operation is invalidated.

Next, the operation of the above embodiment will be described with reference to the flowchart shown in FIG. In step S1, if the unlocking switch (8b) of the locking / unlocking operation switch (8) is unlocked and is in the unlocked state, the locking / unlocking memory circuit (18)
Stores the unlocked state (step S2). Thereafter, if the vehicle is not unlocked (step S3) and the vehicle is in the unlocked state and the vehicle speed sensor (10) detects the stop state of the vehicle (step S4), the outside handle (3)
Alternatively, by operating the inside handle (6) (step S5) and turning on the outside switch (5) or the inside switch (7), the motor (13) of the actuator (2) is unlocked (step S6). Then, the unlocking lever (2a) moves the locking plate of the door lock (1) in the release direction to release the engagement mechanism of the door lock (1), and the door is opened (step S7). When the door (A) is opened and the door switch (9) is turned on, the actuator is actuated.
The holding circuit that holds (2) in the ON state for the set time is reset, and the release lever (2a) and the locking lever return to the initial neutral position.

In step S1, if the lock / unlock storage circuit (18) stores the locked state in the locked state (step S8),
Outside handle (3) or inside handle
Even if the outside switch (5) or the inside switch (7) is turned on by operating (6), the operation is invalidated (step S9) and the motor (13) of the actuator (2) is turned off.
Can't open the door without rotating.

In step S4, when the vehicle speed sensor (10) detects the running state of the vehicle, the vehicle speed sensor (10) detects the running state while keeping the locking / unlocking memory circuit (18) in the unlocked state. The operation of the outside handle (3) and the inside handle (6) is invalidated, and the door (A) cannot be opened. However, the car stopped and the speed sensor (1
When 0) detects the stop state, the operation of the outside handle (3) and the inside handle (6) becomes effective while the vehicle is stopped because the lock / unlock storage circuit (18) stores the unlock state. , The door (A) can be opened.

[0017]

As described above, according to the present invention, when the vehicle speed sensor detects that the vehicle is running, the operation of the door opening operation means is invalidated even if the locking / unlocking control means is in the unlocked state. In addition, since the operation of the door opening operation means is enabled by detecting the stop of the vehicle by the vehicle speed sensor, the safety while the vehicle is traveling is maintained, and the quick door opening while the vehicle is stopped is performed. It is possible and very convenient. Also, unlike the conventional case, when the vehicle speed sensor detects the traveling of the vehicle, it is not necessary to operate the actuator each time to switch the locking / unlocking mechanism of the door lock to the locked state. There is no.

[Brief description of the drawings]

FIG. 1 is a control circuit diagram showing one embodiment of the present invention.

FIG. 2 is a flowchart showing a main operation state.

FIG. 3 is a schematic side view of a door provided with the above embodiment as viewed from outside the vehicle.

FIG. 4 is a sectional view taken along line CC of FIG. 3;

FIG. 5 is a schematic side view of the door provided with the above embodiment as viewed from inside the vehicle.

FIG. 6 is a schematic view of a door lock using the above embodiment.

[Explanation of symbols]

 (1) Door lock (2) Actuator (driving means) (3) Outside handle (door opening operation means) (5) Outside switch (door opening switch) (6) Inside handle (door opening operation means) ( 7) Inside switch (opening switch) (8) Locking / unlocking operation switch (locking / unlocking operation means) (10) Vehicle speed sensor (13) Motor (14) Main control unit (18) Locking / unlocking storage circuit (locking / unlocking control means) (A) Door (B) Control circuit

 ──────────────────────────────────────────────────続 き Continuation of front page (72) Inventor Koichi Shigematsu 1-14-7 Maruyama, Isogo-ku, Yokohama-shi Inside Oi Works Co., Ltd. (56) References JP-A-4-55579 (JP, A) Shokai Sho62 −182359 (JP, U)

Claims (1)

(57) [Claims] 1. A door lock having an engagement mechanism capable of engaging and disengaging a striker, a driving means for releasing the engagement mechanism of the door lock, a door opening operation means for operating the driving means, a locking operation or an unlocking operation. Possible locking and unlocking means;
Stores the locking operation of the locking / unlocking operation means and invalidates the operation of the door opening / closing operation means, and stores the unlocking operation of the locking / unlocking operation means and enables the operation of the door opening / closing operation means. In the operating device for a door lock for a vehicle, comprising: an unlocking storage state enabling the driving means to be unlocked; and an unlocking control means storable in the unlocking state, the unlocking control means stores the unlocking state. When the vehicle speed sensor detects the traveling state of the vehicle, the operation of the door opening operation means is invalidated when the vehicle is running, and when the vehicle speed sensor detects the stop of the vehicle, the operation of the door opening operation means is disabled. An operating device for an automobile door lock, comprising a control circuit for enabling the operation.